substitution request - Alliance Construction Solutions

E. Inserts, Bolts, and Fasteners: Hot-dip galvanized according to ASTM A 153/A 153M.
F. Grout: ASTM C 476, except with a maximum slump of 4 inches, as measured
according to ASTM C 143/C 143M.
2.2 STANDARD HOLLOW METAL DOORS
A. General: Provide doors of design indicated, not less than thickness indicated;
fabricated with smooth surfaces, without visible joints or seams on exposed faces unless
otherwise indicated. Comply with ANSI/SDI A250.8.
1. Design: Flush panel.
2. Core Construction: Manufacturer's standard kraft-paper honeycomb,
polystyrene, polyurethane, polyisocyanurate, mineral-board, or vertical steelstiffener
core.
a. Fire Door Core: As required to provide fire-protection ratings indicated.
b. Thermal-Rated (Insulated) Doors: Where indicated, provide doors
fabricated with thermal-resistance value (R-value) of not less than 4.0
deg F x h x sq. ft./Btu when tested according to ASTM C 1363.
1) Locations: Exterior doors.
3. Vertical Edges for Single-Acting Doors: Manufacturer's standard.
4. Top and Bottom Edges: Closed with flush or inverted 0.042-inch- thick, end
closures or channels of same material as face sheets.
5. Tolerances: Comply with SDI 117, "Manufacturing Tolerances for Standard Steel
Doors and Frames."
B. Exterior Doors: Face sheets fabricated from metallic-coated steel sheet. Provide doors
complying with requirements indicated below by referencing ANSI/SDI A250.8 for level
and model and ANSI/SDI A250.4 for physical performance level:
1. Level 2 and Physical Performance Level B (Heavy Duty), Model 1 (Full Flush).
C. Interior Doors: Face sheets fabricated from cold-rolled steel sheet unless metalliccoated
sheet is indicated. Provide doors complying with requirements indicated below
by referencing ANSI/SDI A250.8 for level and model and ANSI/SDI A250.4 for
physical performance level:
1. Level 2 and Physical Performance Level B (Heavy Duty), Model 1 (Full Flush).
a. Provide doors of metallic-coated sheet steel at pool area rooms.
D. Hardware Reinforcement: Fabricate according to ANSI/SDI A250.6 with reinforcing
plates from same material as door face sheets.
E. Fabricate concealed stiffeners and hardware reinforcement from either cold- or hotrolled
steel sheet.
Project No.: 10145 HOLLOW METAL DOORS AND FRAMES
550 15th Street Dual Brand Hotel 081113 - 3
19 March 2012